Cash will be good only at the very beginning. Not so worried about cash.
Medical supplies though.
Antibiotics
Antiseptics
Aspirin and Acetaminophen
Chilren’s dosages of different meds
bandages
bandaids
Iodized salt
(can be used for eye solutions and nose drops, as well as wound care)
alcohol/peroxide
Mail Pouch tobacco for home remedies
(poison ivy/oak, beestings, almost any rash, lice, ringworm)
Burn medication
Vaseline which can be used in many ways
Listerine mouthwash
Lysol
Epsom salts
Baking soda
Silica gel to repel moisture in pills, sugars, salts, among others
(Rice also serves this function)
More
Better to spend your money wisely now than wait to try and eat dollar bills.